Proactive engagement with our portfolio

Sustainability pathway

During our ownership, we use our influence to encourage our portfolio companies to enhance their ESG maturity and make progress from their respective positions along our Sustainability pathway. 

We support portfolio companies with a bespoke approach for each, depending on the sustainability-related issues each faces. Our portfolio companies made good progress this year.

3i Sustainability connections - leveraging our network to support change

We facilitate practical progress through shared portfolio-wide learning. 

Sustainability Forum

In June 2025, 3i held its second Sustainability Forum in Paris, welcoming representatives from over 20 3i portfolio companies to a two-day event, including seven from the 3iN portfolio. The forum combined inspirational speakers, practical insights and peer networking. 

This interactive event provided sustainability leads from portfolio companies with an update on the Investment Manager’s priorities and goals, alongside training delivered by specialist third parties. External speakers shared insights on delivering ambitious sustainability strategies, while the programme also created opportunities for relationship building and the exchange of best practice across the network.

Key topics in 2025 reflected the most material issues for the portfolio and the evolving sustainability landscape at an industry level. These included guidance on the effective development and delivery of sustainability strategies, alongside an expert-led session on nature for business.

Reflecting our priority focus on health and safety, the programme also included an immersive session highlighting the importance of organisational safety culture. Portfolio companies further contributed through case studies and group work focused on decarbonisation.